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Based on the model of network cities and by law of primate city and rank-size rule, we have analyzed the feature of the spatial structure system in Chang-Zhu-Tan urban agglomerations. 基于網(wǎng)絡城市模型，以城市首位度，城市群序位規(guī)模分布為參數(shù)，分析長株潭城市群空間結構體系特征。